PHASE 1 - Publication of the call for tenders for the implementation of the NSH: By the end of 2021 at the latest, the call for tenders for the implementation of the NSH will be published.

PHASE 2 - Procurement contract awarding and implementation of the NSH: The awarding of the tender should take place by the end of 2022 at the latest.

PHASE 3 - Migration of administrations: Starting from the end of 2022 at the latest, the migration of PAs to the NSH should begin and be completed by the end of 2025. During the migration phase, priority will be given to those Central Public Administrations that currently operate with their own data centres, classified as Category B, by AgID’s census of PA ICT assets (e.g. data centers with structural and/or organisational deficiencies or that do not guarantee service continuity).